RX1511-L2-DPV-HI-L2SE-6TX01-6TX01-XX The RUGGEDCOM RX1511 series is a utility grade layer 2 and layer 3 switch and router in a compact form factor. 1 x Power Supply Field replaceable line modules Up to 12 10/100BaseTx, Up to 8 Gigabit Ports Up to 12 100BaseFx Ports Up to 8 ports 10FL / 100SX SC, ST, LC and MTRJ Pluggable Optics (SFP) Up to 4 T1/E1 ports Cellular (EVDO / HSPA)* DDS (56K Master/Slave, 64K Slave) Up to 24 RS232/422/485 HI = 88-300VDC or 85-264VAC, screw terminal block no Power Module 2 DPV = DIN and Panel Mount Kit L2 = Layer 2 Switch XX =Manufacturing modification none L2SE = Layer 2 Standard Edition 6TX01 = 6x 10/100TX RJ45 6TX01 = 6x 10/100TX RJ45